92 lines
2.2 KiB
C
92 lines
2.2 KiB
C
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/* Area: ffi_call, closure_call
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Purpose: Check passing of multiple unsigned char values.
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Limitations: none.
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PR: PR13221.
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Originator: <andreast@gcc.gnu.org> 20031129 */
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/* { dg-do run } */
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#include "ffitest.h"
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unsigned char test_func_fn(unsigned char a1, unsigned char a2,
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unsigned char a3, unsigned char a4)
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{
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unsigned char result;
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result = a1 + a2 + a3 + a4;
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printf("%d %d %d %d: %d\n", a1, a2, a3, a4, result);
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return result;
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}
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static void test_func_gn(ffi_cif *cif __UNUSED__, void *rval, void **avals,
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void *data __UNUSED__)
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{
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unsigned char a1, a2, a3, a4;
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a1 = *(unsigned char *)avals[0];
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a2 = *(unsigned char *)avals[1];
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a3 = *(unsigned char *)avals[2];
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a4 = *(unsigned char *)avals[3];
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*(ffi_arg *)rval = test_func_fn(a1, a2, a3, a4);
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}
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typedef unsigned char (*test_type)(unsigned char, unsigned char,
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unsigned char, unsigned char);
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void test_func(ffi_cif *cif __UNUSED__, void *rval __UNUSED__, void **avals,
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void *data __UNUSED__)
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{
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printf("%d %d %d %d\n", *(unsigned char *)avals[0],
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*(unsigned char *)avals[1], *(unsigned char *)avals[2],
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*(unsigned char *)avals[3]);
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}
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int main (void)
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{
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ffi_cif cif;
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void *code;
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ffi_closure *pcl = ffi_closure_alloc(sizeof(ffi_closure), &code);
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void * args_dbl[5];
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ffi_type * cl_arg_types[5];
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ffi_arg res_call;
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unsigned char a, b, c, d, res_closure;
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a = 1;
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b = 2;
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c = 127;
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d = 125;
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args_dbl[0] = &a;
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args_dbl[1] = &b;
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args_dbl[2] = &c;
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args_dbl[3] = &d;
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args_dbl[4] = NULL;
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cl_arg_types[0] = &ffi_type_uchar;
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cl_arg_types[1] = &ffi_type_uchar;
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cl_arg_types[2] = &ffi_type_uchar;
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cl_arg_types[3] = &ffi_type_uchar;
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cl_arg_types[4] = NULL;
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/* Initialize the cif */
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CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 4,
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&ffi_type_uchar, cl_arg_types) == FFI_OK);
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ffi_call(&cif, FFI_FN(test_func_fn), &res_call, args_dbl);
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/* { dg-output "1 2 127 125: 255" } */
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printf("res: %d\n", (unsigned char)res_call);
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/* { dg-output "\nres: 255" } */
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CHECK(ffi_prep_closure_loc(pcl, &cif, test_func_gn, NULL, code) == FFI_OK);
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res_closure = (*((test_type)code))(1, 2, 127, 125);
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/* { dg-output "\n1 2 127 125: 255" } */
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printf("res: %d\n", res_closure);
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/* { dg-output "\nres: 255" } */
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exit(0);
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}
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